Location History:
- Tokyo, JP (1997 - 2002)
- Kanagawa, JP (2013 - 2014)
- Atsugi, JP (2018 - 2020)
Company Filing History:
7 out of 5,289 
2 out of 164 
1 out of 2,128 
Years Active: 1997-2020
Title: Mitsuo Usui: Innovator in Optical Technology
Introduction
Mitsuo Usui is a prominent inventor based in Kanagawa, Japan, known for his significant contributions to optical technology. With a total of eight patents to his name, Usui has made remarkable advancements in the field, particularly in optical modules and solder joint structures.
Latest Patents
One of Usui's latest patents is an optical module designed to connect to an optical fiber array while being packaged in high density. This innovative module features two package modules mounted on a board, with optical waveguides in a silicon photonic lightwave circuit connected to an optical fiber array fixed to an optical fiber block. The output end surfaces of the optical waveguides are perpendicular to the mount surface of the package module, and the optical waveguides may be tilted at an appropriate angle. Additionally, the optical fiber block secures optical fibers that are also tilted, enhancing the overall functionality of the module.
Another notable patent involves a solder joint structure for flexible printed circuit boards (FPC). This invention addresses the limitations of conventional soldering methods, which often make it difficult to visually confirm the soldered state. Usui's design includes side face electrodes on the end parts of the FPC board and the package or PCB board, allowing for better visibility of the solder joint. This innovation improves the efficiency of solder joint tests and enhances the reliability of electronic connections.
Career Highlights
Throughout his career, Mitsuo Usui has worked with leading companies in the telecommunications and electronics sectors. He has been associated with Nippon Telegraph and Telephone Corporation and NTT Electronics Corporation, where he has contributed to various projects and innovations.
Collaborations
Usui has collaborated with notable colleagues, including Saburo Imamura and Ken Tsuzuki, further enriching his work and expanding the impact of his inventions.
Conclusion
Mitsuo Usui's contributions to optical technology and solder joint structures have significantly advanced the field. His innovative patents and collaborations with industry leaders highlight his role as a key figure in technological advancements.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.